STAR WARS: Heat of the Cold
An ancient creation of sith alchemy to create a mindless army still exists in a mutated form many eons later. Although the first victims were from a sith Talisman (which gave the wearer control over them), many rakghoul came from the infectious bite and scratch spreading the plague like affliction, turning populations into dangerous freaks.
For many years the Talisman resided on Taris, where the populous lower levels of the under city were notorious for their Rakghoul infestation. Many years after the destruction of the city, Rakghouls still live on in the lower city and servers, and some areas on the surface.
A person afflicted with the Rakghoul plague can be cured with the well known antidote, but is expensive and must be administered quickly.